package com.heifei

/**
 * @author caizhengjun
 * @date 2020/8/4 5:33 下午
 */
object ValVarSetDemo {


  def main(args: Array[String]): Unit = {

    var s1 = Set(1, 2, 3, 4, 5)

    println(s1.hashCode())

    s1 += 8

    println(s1.hashCode())

    println(s1)
  }

}
